Inquire re:

• time of the bite,
• local pain,
• nausea, vomiting.

Assess:

• state of consciousness (restlessness, sleepiness, coma).

Measure:

• blood pressure/pulse,
• breathing (respiratory rate).

Observe/investigate:

• local swelling,
• local redness,
• eyes (contact with urticating hairs): conjunctivitis, keratitis, iritis, chorioretinitis.

Systemic reactions:

• sweating,
• hypersalivation,
• increased bronchial secretion,
• priapism,
• abdominal pain, board-like abdominal rigidity (differential diagnosis acute abdomen)
• bradycardia/tachycardia/cardiac arrhythmia,
• arterial hypotension/hypertension,
• clinical signs of pulmonary oedema,
• clinical signs of shock,
• generalised muscle pain and cramps,
• muscle weakness.

Record and measure:

• ECG,
• blood sugar.

Monitoring for signs and symptoms of systemic envenoming (see above) for 12–24 h.